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5305-00-021-3915

Hexagon Head Cap Screw

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Official Item Classification

Name
Hexagon Head Cap Screw
(NSN) National Stock Number
5305-00-021-3915
(FSG) Federal Supply Group
53 Hardware and Abrasives
(FSC) Federal Supply Classification
5305 Screws
(INC) Item Name Code
18257
(FIIG) Federal Item Identification Guide
A003B0
Date
01/01/1963 (63 years ago)

2a thread class, 0.875 inches minimum and 1.062 inches maximum thread length, 1.219 inches minimum and 1.250 inches maximum fastener length, hexagon head style, right-hand thread direction

Specs & Compatibility

Thread Class

2a

Thread Direction

right-hand

Thread Length

0.875 inches minimum and 1.062 inches maximum

Fastener Length

1.219 inches minimum and 1.250 inches maximum

Head Style

hexagon

Head Height

0.195 inches minimum and 0.211 inches maximum

Width Between Flats

0.489 inches minimum and 0.500 inches maximum

End Item Identification

multiple launch rocket system (mlrs)

Nominal Thread Diameter

0.312 inches

Features Provided

finished head

Thread Quantity Per Inch

24

Minimum Tensile Strength

80000 pounds per square inch

Material

steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall

Material Document And Classification

66 fed std all material responses overall

Surface Treatment

passivate overall

Surface Treatment Document And Classification

qq-p-35 fed spec single treatment response overall

Thread Series Designator

unf

Replacement For

Part Number Description
5305-00-622-1502 No Name Available 01/01/1963
5305-01-469-2461 No Name Available 07/01/2002

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0018257

Related Hardware Products

Part Number Description
022285-111 Hexagon Head Cap Screw
0918-336 Hexagon Head Cap Screw
5306000213915 Hexagon Head Cap Screw
5306PL1493880 Hexagon Head Cap Screw
MS35308-336 Hexagon Head Cap Screw

Frequently Asked Questions

What is the FSCG of the NSN 5305-00-021-3915?
The FSCG of the NSN 5305-00-021-3915 is 5305
Does the NSN 5305-00-021-3915 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-021-3915 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-00-021-3915 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-021-3915 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-00-021-3915 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963